Medetera (Diptera, Dolichopodidae) of Sri Lanka Author Naglis, Stefan Author Bickel, Daniel J. text Zootaxa 2012 3188 55 63 journal article 45463 10.5281/zenodo.210568 d418cb1f-e1fd-420d-9483-cbcbb7d4f84e 1175-5326 210568 Key to male Medetera of Sri Lanka The key is mainly based on Bickel (1987) including only species from Sri Lanka and enhanced with the newly described species. 1 Mesonotum bright metallic green or blue violet; fore tarsomere 2 and 3 of male flattened ( Fig. 1 ); male hind tibia with apical tooth; dorsal surstylar arm prolonged, ventral arm reduced or lost.............................................. 2 - Mesonotum dark metallic green or black; fore tarsomeres normal; male hind tibia usually without apical tooth; dorsal and ven- tral surstylar arm subequal............................................................................. 4 2 Thoracic setae yellow; dorsal surstylar arm greatly expanded and rounded apically ( Figs 1 A, 2)........ peradeniya sp. nov. - Thoracic setae black; dorsal surstylar arm parallel-sided (e.g., Fig. 3 )........................................... 3 3 First flagellomere yellowish; vein M subparallel with R4+5 before wing margin; lower calypter with yellowish setae; surstylus with 2 normal setae ventrally; ventral arm of cercus with normal setae (see Bickel 1987 , figs. 3a, b)... platychira de Meijere - First flagellomere black; vein M distinctly converging towards R4+5 to wing margin; lower calypter with black setae; surstylus with 1 normal and 1 curved flattened seta ventrally; ventral arm of cercus with 3–4 long sinuate setae ( Figs 1 B, 3).............................................................................................. kandyensis sp. nov. 4 4–6 strong dorsocentral setae present, anterior setae decreasing in size............................................ 5 - Only 2 strong dorsocentral setae present, anterior setae hair-like; hypopygium ( Fig. 5 ).............. colombensis sp. nov. 5 5–6 strong dorsocentrals present; hypopygium ( Fig. 4 )......................................... nuwarensis sp. nov. - 4 strong dorsocentrals present, anterior 2 setae sometimes smaller.............................................. 6 6 Male hind basitarsus with distinct basal anteroventral tooth; hypopygium pyriform; epandrial seta absent ( Fig. 6 )........ 7 - Male hind basitarsus without tooth; hypopygium subrectangular; epandrial seta present (see Bickel 1987 , fig. 17h)....... 8 7 Thorax with 3 bronze vittae; 4 strong dorsocentrals, decreasing in size anteriorly; epandrial lobes each with an apically hairy seta; ventral surstylar lobe with 1 strong apical seta; apical blade-like seta on cercus with serrate external margin (see Bickel 1987 , fig. 18b)...................................................................... grisescens de Meijere - Thorax without vittae; anterior 2 dorsocentrals distinctly shorter than posterior 2 bordering mesonotal depression; epandrial lobes with an apically hairy and an apically flattened seta; apical blade-like seta on cercus with smooth external margin ( Fig. 6 )................................................................................... subgrisescens sp. nov. 8 Thoracic setae yellow; fore and mid coxae with silvery pruinosity (see Bickel 1987 , Fig. 17h).......... pumila de Meijere - Thoracic setae black; coxae without silvery pruinosity....................................................... 9 9 Surstylus expanded dorsally; cercus with curled pedunculate seta (see Bickel 1987 , fig. 16d)............. chandleri Bickel - Surstylus parallel-sided; cercus without curled pedunculate seta (see Bickel 1987 , fig. 16e).......... austroapicalis Bickel